Have you ever noticed a car with green lights and wondered what they mean? While they might look decorative, these lights actually have an important role. In many areas, green lights are used by emergency medical service vehicles, especially those operated by volunteer EMTs or private medical transport. When you see one, it’s a signal to give way—they may be transporting someone who needs urgent medical attention.
Green lights are often found on vehicles handling non-emergency medical trips, like taking patients to dialysis or treatment appointments. These aren’t high-speed emergencies like ambulances with sirens, but they’re still time-sensitive. The green light helps drivers move through traffic more easily and avoid delays that could affect someone’s care.
However, not just anyone can install green lights on their car. In most regions, strict rules apply. Only authorized medical personnel or services, registered with the proper authorities, can use them legally. Misusing green lights is illegal and could create dangerous confusion for drivers and real emergency vehicles.
Ultimately, green lights are a quiet signal of help on the road. They may not be loud, but their purpose is serious. By yielding when you see them, you support timely access to medical care—something that could make a real difference for someone in need.